Compilare: main.cpp: In function 'int main()': main.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(i=0;i<aux.size();i++){ | ~^~~~~~~~~~~ main.cpp:19:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(i=0;i<s.size();i++){ | ~^~~~~~~~~ main.cpp:23:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 23 | while(i+manacher[i]<s.size() && i-manacher[i]>=0 && s[i+manacher[i]]==s[i-manacher[i]]) | ~~~~~~~~~~~~~^~~~~~~~~ main.cpp:28:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(i=0;i<s.size();i++){ | ~^~~~~~~~~